District Heating

  • First SDH system in Sub-Saharan Africa

    First SDH system in Sub-Saharan Africa

    On 15 May, the Austrian Ambassador to South Africa inaugurated two landmark projects that had received support from SOLTRAIN, the Southern African Solar Thermal Training and Demonstration Initiative, during planning and installation. One became the first solar district heating plant in Sub-...
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  • Seasonal pit heat storage: Cost benchmark of 30 EUR/m³

    Seasonal pit heat storage: Cost benchmark of 30 EUR/m³

    Denmark has had a successful learning curve regarding to the cost and efficiency of seasonal pit heat storage, which is used to store sunlight in summer for heating purposes in winter. Take Sunstore 3, for example, a 60,000 m³ pit heat storage system built at a cost of 38 EUR/m³ of storage...
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  • GBP 320 million for low-carbon heat networks

    GBP 320 million for low-carbon heat networks

    Heat networks have proved to be a reliable and cost-effective means to supply low-carbon thermal energy. And yet, just 2 % of buildings in the UK are connected to them. As a result, the Department for Business, Energy and Industrial Strategy launched the Heat Networks Investment Project (...
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  • “Solar heat can be more cost-effective than gas in district heating”

    “Solar heat can be more cost-effective than gas in district heating”

    In the Western Balkans, one of Europe’s southernmost regions, large district heating networks are a common sight. Some of those are run at return temperatures as low as 45 °C, making them well-suited for solar energy, according to Bojan Bogdanovic (see photo), Principal Fund Manager of the...
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  • In Russia, world’s largest DH sector needs upgrading

    In Russia, world’s largest DH sector needs upgrading

    The solar district heating market is still in its infancy in Russia. Despite huge potential, few SDH pilot plants run in the exact same country that is home to the world’s largest district heating sector. Only a handful of systems had been put up so far - six with a...
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  • #SolarHeat: the main Twitter hashtag

    #SolarHeat: the main Twitter hashtag

    #SolarThermal or #SolarHeat: Which of these two Twitter hashtags or keywords better represents the production of thermal energy from sunlight? Because of some recent, large concentrating solar power (CSP) projects, the term solar thermal seems to be in frequent use on social...
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  • “The market requires simple plug-and-play solutions”

    “The market requires simple plug-and-play solutions”

    Spanish-based supplier Endef is seeing increased demand for both its covered and uncovered PV-thermal systems produced in-house in Saragossa. Last year was the first in which the business installed devices at non-commercial buildings in Spain and implemented projects abroad. Endef is a...
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  • District heating in smart cities drives market

    District heating in smart cities drives market

    A new report published in December 2018 expects the global district heating market to grow by over USD 43.2 billion between 2018 and 2022, at an average rate of around 4 % a year, with the key driver being the implementation of district heating projects in smart cities. Consequently,...

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  • Five new solar-bioenergy villages in Germany

    Five new solar-bioenergy villages in Germany

    Five German bioenergy villages added solar fields to their district heating systems in 2018. It was a significant increase over 2017 and 2016, when only one larger field was commissioned once a year. Each village benefits from 100 % solar energy in summer, which leaves time to overhaul...
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  • “SDH – a proven technology with a long track record of success”

    “SDH – a proven technology with a long track record of success”

    In as little as nine months, a Chinese-Danish joint venture named Arcon-Sunmark Large-Scale Solar Systems Integration built its first solar district heating plant in Tibet, commissioning the installation in mid-December 2018. The system consists of 22,275 m² of flat plate collectors and a...
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  • “Coal-powered district heating should be gradually phased out”

    “Coal-powered district heating should be gradually phased out”

    Poland is setting up a programme to promote renewable district heat, and thermal storage along with it. Called Heat from Renewable Energy Sources, or Cieplo z OZE in Polish, the scheme will be managed by the National Fund for Environmental Protection and Water Management,...
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  • Sun meets 90 % of district heat demand in Tibetan town

    Sun meets 90 % of district heat demand in Tibetan town

    On 29 and 30 October, the Solar Academy of the IEA SHC Programme held a 1.5-day training course on solar district heating in Lianyungang, at Sunrain Solar Energy’s headquarters. It provided around 150 researchers, engineers, planners, other technical staff and students from organisations...
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